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Message-ID: <20190812142105.1995-6-philippe.schenker@toradex.com>
Date: Mon, 12 Aug 2019 14:21:21 +0000
From: Philippe Schenker <philippe.schenker@...adex.com>
To: Marcel Ziswiler <marcel.ziswiler@...adex.com>,
Max Krummenacher <max.krummenacher@...adex.com>,
"stefan@...er.ch" <stefan@...er.ch>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
Rob Herring <robh+dt@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Michal Vokáč <michal.vokac@...ft.com>,
Fabio Estevam <festevam@...il.com>
CC: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>,
Philippe Schenker <philippe.schenker@...adex.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
NXP Linux Team <linux-imx@....com>,
Sascha Hauer <s.hauer@...gutronix.de>
Subject: [PATCH v4 05/21] ARM: dts: imx7-colibri: add recovery for I2C for
iMX7
From: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
- add recovery mode for applicable i2c buses for
Colibri iMX7 module.
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@...adex.com>
Signed-off-by: Philippe Schenker <philippe.schenker@...adex.com>
---
Changes in v4:
- Make scl-gpios and sda-gpios (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)
- Change commit title to Michal's suggestion
Changes in v3: None
Changes in v2: None
arch/arm/boot/dts/imx7-colibri.dtsi | 25 +++++++++++++++++++++++--
1 file changed, 23 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/imx7-colibri.dtsi b/arch/arm/boot/dts/imx7-colibri.dtsi
index a8d992f3e897..cab40d22d24e 100644
--- a/arch/arm/boot/dts/imx7-colibri.dtsi
+++ b/arch/arm/boot/dts/imx7-colibri.dtsi
@@ -140,8 +140,12 @@
&i2c1 {
clock-frequency = <100000>;
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c1 &pinctrl_i2c1_int>;
+ pinctrl-1 = <&pinctrl_i2c1_recovery &pinctrl_i2c1_int>;
+ scl-gpios = <&gpio1 4 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio1 5 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+
status = "okay";
codec: sgtl5000@a {
@@ -242,8 +246,11 @@
&i2c4 {
clock-frequency = <100000>;
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c4>;
+ pinctrl-1 = <&pinctrl_i2c4_recovery>;
+ scl-gpios = <&gpio7 8 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio7 9 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
};
&lcdif {
@@ -540,6 +547,13 @@
>;
};
+ pinctrl_i2c4_recovery: i2c4-recoverygrp {
+ fsl,pins = <
+ MX7D_PAD_ENET1_RGMII_TD2__GPIO7_IO8 0x4000007f
+ MX7D_PAD_ENET1_RGMII_TD3__GPIO7_IO9 0x4000007f
+ >;
+ };
+
pinctrl_lcdif_dat: lcdif-dat-grp {
fsl,pins = <
MX7D_PAD_LCD_DATA00__LCD_DATA0 0x79
@@ -740,6 +754,13 @@
>;
};
+ pinctrl_i2c1_recovery: i2c1-recoverygrp {
+ fsl,pins = <
+ MX7D_PAD_LPSR_GPIO1_IO04__GPIO1_IO4 0x4000007f
+ MX7D_PAD_LPSR_GPIO1_IO05__GPIO1_IO5 0x4000007f
+ >;
+ };
+
pinctrl_cd_usdhc1: usdhc1-cd-grp {
fsl,pins = <
MX7D_PAD_LPSR_GPIO1_IO00__GPIO1_IO0 0x59 /* CD */
--
2.22.0
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